Audio listening system



FIG. 1 is a perspective view of an audio listening system showing my new design, the opposite perspective view is a mirror image;

FIG. 2 is back view of the embodiment of an audio listening system depicted in FIG. 1;

FIG. 3 is a front view of the embodiment of an audio listening system depicted in FIG. 1;

FIG. 4 is a first side view of the embodiment of an audio listening system depicted in FIG. 1;

FIG. 5 is a second side view of the embodiment of an audio listening system depicted in FIG. 1, from the opposite side depicted in FIG. 4;

FIG. 6 is a top plan view of the embodiment of an audio listening system depicted in FIG. 1; and,

FIG. 7 is a bottom plan view of the embodiment of an audio listening system depicted in FIG. 1.

The broken lines showing the environment in the Figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an audio listening system, as shown and described. 